Question

Assertion (A): Toxoids are used in vaccines.

Reason (R): Toxoids are bacterial toxins which help in the formation of antibodies.

• A. Both A and R are true and R is the correct explanation for A.
• B. Both A and R are true, but R is not the correct explanation for A.
• C. A is true and R is false.
• D. A is false and R is true.

Answer 1

The correct option is A

Both A and R are true and R is the correct explanation for A.

Option A:

Assertion Statement:

1. Toxoids are used in vaccines.
2. Toxoids are inactive toxic substances extracted from bacteria, but useful for the development of antibodies.

Reason Statement

1. Toxoids are bacterial toxins that help in the formation of antibodies.
2. Example: the content of the DPT vaccine is a toxoid.

Both Assertion and Reason are true and Reason is the correct explanation of Assertion.